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UTE Potasas

The work consists of industrial buildings for the collection and dispatch of salts from their extraction in mines.

To the work is added the complexity of being a structure very close to the sea in addition to the type of material collected with high chloride content.

For the structure: concretes have been supplied with the corresponding environments plus conventional assembly (increasing the regrowth in the assembly).

For the interior and exterior pavements, the use of structural polymer fiber structural concrete has been chosen (thus avoiding the possible impact of chlorides on the corrugated reinforcement).

In total, some 29,000m3 will be supplied, with completion forecast in March / April 2020.

Mediterranean corridor Castellbisbal-Martorell

The work of the Mediterranean corridor on the Castellbisbal-Martorell section provides for the execution of 3 different tunnels with a 2-year construction forecast that begins in 2019.

In a first phase, the Costablanca tunnel, more than 1,000m3 of gunite has been supplied. Another phase is planned for the Martorell Tunnel by spring 2020.

The gunite supplied with a workability margin of 3 hours (with retarder), with different dosages according to specifications (425, 450 and 475 kg cement) plus fibers.

Among the 3 tunnels are planned about 10,000 m3 of gunite, in addition to 55,000 m3 of other concrete typologies.

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Pavimento industrial exterior con HRR

Para la rehabilitación de este parking exterior de camiones se eligió el producto HRR.

El HRR es un hormigón especialmente para pavimentos de rápida actuación debido a su rápido fraguado.

La obra consistió en una actuación de reparación de 500m2 de vial de 15cm con armado. Las características requerían una rápida puesta en servicio, en este caso se pudo restaurar el vial en menos de 48h.

Ubicación: Feixa Llarga, Hospitalet de Llobregat.

AMAZON logistics centre

Promsa faced in 2017 the challenge to supply the new logistics platform of Amazon in El Prat de Llobregat.

The foundation of the slab took several months of supply, the largest (in dimensions and volume) Promsa has ever supplied: 32,000 m3 at a daily rhythm of 500 m3 served from the concrete plants in Zona Franca and Pallejà.

The Pavements phase, 50,000 m2 of screed on the foundation slab with controlled retraction concrete and finishes of high planimetry.

150,000 m2 of compression layer on the Precon alveolar pre-slabs (company of the Ciments Molins group), a concrete with lesser planimetry requirement, but with the handicap of thickness (7/10 cm).

For the urbanisation phase (Sanitation, services, accesses and parking platforms for trucks) we supplied over 7,000 m3 of Flexotraction Concrete.

Finally, in the office area we supplied 2,000 m2 of self-levelling mortar.

Shuttle

In October 2015 Promsa began the product supply works for the construction of the Shuttle that will bridge the city of Barcelona with the T1 and T2 of the El Prat-Airport.

For this project, an on-site plant was built inside the facilities of the Shuttle to supply concrete and mortar.

18,000 m3 of fresh mortar with filler to be injected in the tunnel borer.

100,000 m3 of concrete for screens (concrete with dosage of 375 kg of SR cement) and slabs (HA30 SR).

The works are expected to end in September 2018 pending the supply of around 55,000 m3.

Viladecan's funeral parlour

The facade of Viladecans’ funeral parlour, in the province of Barcelona, was built in 2016 with architectonic concrete and self-compacting concrete.

This type of concrete has a fluid and self-compacting consistency, which makes it adapt to any kind of formwork, regardless of its complexity.

All the facade was done continuously in 3 different stages. Before the concreting, we held meetings with those responsible for the works, with the Project Management, and also with the formwork team to correctly plan the concreting and carry out a pre-test to analyse the behaviour and possible improvements. 

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Technical pavements Nestlé - Girona

Within the external accesses to the Nestlé plant in Girona, a technical pavement with RR Concrete was done.

This type of concrete was chosen after a previous assessment since this product reaches 25 Mpa in 48 h, a requirement the property needed. This concrete has the same workability as conventional concrete.

For this type of product, due to its complexity, the quality team carried out a thorough control to guarantee the resistance. 

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Pavements Casinet Manà Experience

After a technical assessment it was decided for this project to carry out the screed with aerated concrete (over 50 m3 poured during a morning using a pump).

This kind of concrete, due to its low density and high porosity, allows the screed in places where weight is not required.

In this site, apart from aerated concrete as screed, also concrete pavements with a polished finish was supplied.

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